diff --git a/plugins/UserCountryMap/Controller.php b/plugins/UserCountryMap/Controller.php
index 3f4b994f6b4e11a5c96aefc4ff57de8c471dade1..57f25946a1bac3061de19e209fda4733f2680b62 100644
--- a/plugins/UserCountryMap/Controller.php
+++ b/plugins/UserCountryMap/Controller.php
@@ -29,7 +29,7 @@ class Controller extends \Piwik\Plugin\Controller
     // By default plot up to the last 30 days of visitors on the map, for low traffic sites
     const REAL_TIME_WINDOW = 'last30';
 
-    public function visitorMap($segmentOverride = false)
+    public function visitorMap($fetch = false, $segmentOverride = false)
     {
         $this->checkUserCountryPluginEnabled();